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What goes wrong in a brain affected by Alzheimer's disease?The ability of different regions of the brain to communicate gradually breaks down with aging and in Alzheimer's disease, but there are key differences between these two processes. Some of these differences are reported in a study that compared neural networks, signaling efficiency, and disruptions in connectivity in the brains of healthy elderly subjects and patients with Alzheimer's disease. The article is published in Brain Connectivity.http://medicalxpress.com/news/2013-08-wrong-brain-affected-alzheimer-disease.html
Alzheimer's disease & dementiaThu, 22 Aug 2013 12:34:35 ESTnews296393664ACR: Strontium ranelate cuts progression of knee OA(HealthDay)—The osteoporosis therapeutic strontium ranelate (SrRan) reduces radiographic and radiological progression of knee osteoarthritis, according to a study presented at the annual meeting of the American College of Rheumatology, held from Nov. 10 to 14 in Washington, D.C.http://medicalxpress.com/news/2012-11-acr-strontium-ranelate-knee-oa.html
Arthritis & RheumatismMon, 12 Nov 2012 18:00:02 ESTnews271960458Clue to cause of Alzheimer's dementia found in brain samplesResearchers at Washington University School of Medicine in St. Louis have found a key difference in the brains of people with Alzheimer's disease and those who are cognitively normal but still have brain plaques that characterize this type of dementia.http://medicalxpress.com/news/2012-10-clue-alzheimer-dementia-brain-samples.html
NeuroscienceMon, 22 Oct 2012 12:43:48 ESTnews270128622Physical activity shown to help young and elderly alike with lower-leg coordinationAn Indiana University study that examined the effect of age and physical activity on lower leg muscle reflexes and coordination concluded that participation in physical activity was beneficial for lower leg muscle coordination across both sides of the body in both young and older study participants. Lower limb muscle communication is essential for everyday tasks, such as walking, balancing, and climbing stairs.http://medicalxpress.com/news/2012-10-physical-shown-young-elderly-alike.html
NeuroscienceWed, 17 Oct 2012 17:00:15 ESTnews269710425Scientists report promising new direction for cognitive rehabilitation in the elderlyResearch has found that declines in temporal information processing (TIP), the rate at which auditory information is processed, underlies the progressive loss of function across multiple cognitive systems in the elderly, including new learning, memory, perception, attention, thinking, motor control, problem solving, and concept formation. In a new study, scientists have found that elderly subjects who underwent temporal training improved not only the rate at which they processed auditory information, but also in other cognitive areas. The study is published in the current issue of Restorative Neurology and Neuroscience.http://medicalxpress.com/news/2012-08-scientists-cognitive-elderly.html
NeuroscienceMon, 20 Aug 2012 12:57:55 ESTnews264686266New findings, imaging may aid diagnosis of concomitant AD in patients with Parkinson's disease dementiaDementia is a frequent complication of Parkinson's disease (PD), but it is clinically impossible to distinguish PD dementia (PDD), which develops from the progression of the Lewy body pathology that underlies PD, from PD with coexistent Alzheimer's disease (PDAD). Both have similar characteristics. A team of scientists has found that PDAD patients have much denser accumulations of amyloid plaques in the striatal area of the brain than PDD patients. The results suggest that recently developed imaging techniques may be able to identify striatal amyloid plaques in the living brain and could be useful for distinguishing PDD from PDAD. Their results are published in the April issue of the Journal of Parkinson's Disease.http://medicalxpress.com/news/2012-04-imaging-aid-diagnosis-concomitant-ad.html
Parkinson's & Movement disordersMon, 16 Apr 2012 13:01:42 ESTnews253800087Older subjects who regularly practice Tai Chi found to have better arterial complianceExercise which can achieve both cardiovascular function and muscle strength "would be a preferred mode of training for older persons", say investigatorshttp://medicalxpress.com/news/2012-04-older-subjects-regularly-tai-chi.html
CardiologyTue, 03 Apr 2012 20:00:01 ESTnews252689717Shedding light on memory deficits in schizophrenic patients and healthy aged subjectsWorking memory, which consists in the short-term retention and processing of information, depends on specific regions of the brain working correctly. This faculty tends to deteriorate in patients with schizophrenia, as it does in healthy aged subjects.http://medicalxpress.com/news/2012-02-memory-deficits-schizophrenic-patients-healthy.html
Psychology & PsychiatryThu, 23 Feb 2012 09:20:01 ESTnews249210260The secret to successful agingWhether we choose to accept or fight it, the fact is that we will all age, but will we do so successfully? Aging successfully has been linked with the "positivity effect", a biased tendency towards and preference for positive, emotionally gratifying experiences. New research published in Biological Psychiatry now explains how and when this effect works in the brain.http://medicalxpress.com/news/2011-07-secret-successful-aging.html
Psychology & PsychiatryThu, 14 Jul 2011 10:00:48 ESTnews229856357